Avision AV810CPlus Bedienungsanleitung PDF herunterladen (Seite 35)

4-10

Halftone

In addition to the black and white display, Halftone simulates

grayscale by using different size of dots. Particularly when you view

the image at a certain distance, it looks very closely like a gray

image yet it consumes the least disk space. Halftone is the picture

that we usually see in newspapers or magazines. Since Halftone is

one type of black and white image, the disk space required to save

a halftone image is 1/24 of that required to save a 24-bit true color

image.

Figure 4-6 A Halftone Image

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Avision AV810CPlus Bedienungsanleitung Seite 35